Norgesic.
D001241:Aspirin / Q000627:therapeutic use*; D002110:Caffeine / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D006801:Humans; D009966:Orphenadrine / Q000627:therapeutic use*; D010615:Phenacetin / Q000627:therapeutic use*
D002110:Caffeine; D009966:Orphenadrine; D010615:Phenacetin; D001241:Aspirin